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The ZXTDBM832TA is a dual NPN silicon low saturation switching transistor manufactured by Diodes Incorporated. It is housed in a 3mm x 2mm MLP (Micro Leaded Package) with a nominal height of 0.9mm. The device features a collector-emitter voltage (VCEO) of 20V and a continuous collector current (IC) of 4.5A. Key electrical parameters include a collector-base breakdown voltage of 40V, an emitter-base breakdown voltage of 7.5V, and a peak pulse current of 12A. Power dissipation ranges from 1W to 3W depending on thermal conditions. Transition frequency is typically 140MHz.
This component is obsolete and no longer in production. Engineers must verify the availability of replacement parts before initiating new designs. Sourcing should focus exclusively on authorized distributors or verified secondary market suppliers to ensure authenticity and traceability. Direct procurement from the manufacturer is not possible.
Designers should evaluate the thermal resistance characteristics under specific PCB copper area and layer configurations. The MLP package requires adequate soldering practices to maximize heat dissipation. Verify that the required collector current does not exceed the 4.5A continuous limit without considering derating curves for ambient temperature.
The ZXTDBM832TA belongs to the MPPS (Miniature Package Power Solutions) family from Zetex Semiconductors, now part of Diodes Incorporated. This series utilizes a 4th generation process to achieve low saturation voltages in a compact form factor. The 'TA' suffix indicates reel packaging for surface mount assembly.
The datasheet explicitly recommends using the ZXTD618MC as the direct replacement for this obsolete part number.